mantao/Plots.jl
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axis limits = :symmetric (#2600)

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* allow axis-lims = :symmetric

* remove show

* add test
This commit is contained in:
Simon Christ 2021-06-03 17:35:42 +02:00 committed by GitHub
parent 25b57cfb55
commit 6a62d96751
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 14 additions and 2 deletions
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11
src/axes.jl
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@ -533,13 +533,20 @@ function axis_limits(sp, letter, should_widen = default_should_widen(sp[Symbol(l
has_user_lims = (isa(lims, Tuple) || isa(lims, AVec)) && length(lims) == 2
if has_user_lims
lmin, lmax = lims
if lmin != :auto && isfinite(lmin)
if lmin == :auto
elseif isfinite(lmin)
amin = lmin
end
if lmax != :auto && isfinite(lmax)
if lmax == :auto
elseif isfinite(lmax)
amax = lmax
end
end
if lims == :symmetric
aval = max(abs(amin), abs(amax))
amin = -aval
amax = aval
end
if amax <= amin && isfinite(amin)
amax = amin + 1.0
end

5
test/test_axes.jl
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@ -31,3 +31,8 @@ end
@test xticks(p) == yticks(p) == zticks(p) == [ticks1, ticks2]
@test xticks(p[1]) == yticks(p[1]) == zticks(p[1]) == ticks1
end
@testset "Axis limits" begin
pl = plot(1:5, xlims=:symmetric, widen = false)
@test Plots.xlims(pl) == (-5, 5)
end